English

Smooth counterexamples to strong unique continuation for a Beltrami system in $\mathbb{C}^2$

Analysis of PDEs 2011-02-15 v1 Complex Variables

Abstract

We construct an example of a smooth map CC2\mathbb{C}\to\mathbb{C}^2 which vanishes to infinite order at the origin, and such that the ratio of the norm of the zˉ\bar z derivative to the norm of the zz derivative also vanishes to infinite order. This gives a counterexample to strong unique continuation for a vector valued analogue of the Beltrami equation.

Cite

@article{arxiv.1102.2462,
  title  = {Smooth counterexamples to strong unique continuation for a Beltrami system in $\mathbb{C}^2$},
  author = {Adam Coffman and Yifei Pan},
  journal= {arXiv preprint arXiv:1102.2462},
  year   = {2011}
}

Comments

21 pages

R2 v1 2026-06-21T17:25:11.719Z